Kelly Osbourne hails dad Ozzy Osbourne as her 'best friend' Kelly Osbourne has broken her silence following the recent death of her dad, Ozzy Osbourne. 25 July 2025 Kelly Osbourne has lost her "best friend" following the death of her dad Ozzy Osbourne. Ozzy Osbourne died aged 76 The 40-year-old star has taken to social media to share her thoughts following Ozzy's passing on Tuesday (22.07.25), aged 76. Kelly - who released a cover of the Black Sabbath song Changes with her dad back in 2003 - wrote on Instagram: "I feel unhappy I am so sad. I lost the best friend I ever had.